The German Research Foundation (DFG) has approved the extension of the Collaborative Research Center (CRC)/Transregio (TRR) 289 "Treatment Expectation" for another four years. The Institute of Medical Psychology and Behavioral Immunobiology is involved with a total of five projects under the leadership of Prof. Harald Engler, Prof. Sven Benson and Dr. Laura Heiß-Lückemann. The projects are conducted in collaboration with the Departments of Dermatology, Infectious Diseases and Neurology and the Institute of Medical Education.